Too many of these people are surfacing and causing much consternation and anger among travellers, not knowing if they are terrorists or plain loonies. Do we have to tolerate this type of behaviour? To save the airlines money and time, the authorities should consider giving the stewards some form of martial arts training to apprehend and if need be, knock them out senseless and continue with the journey before handing them over to be charged for endangering the lives of others. This form of behaviour is truly getting out of hand nowadays.